80905825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 139491072

約数和(自身を除く): 58585247

約数列:

[1, 5, 7, 11, 13, 25, 35, 53, 55, 61, 65, 77, 91, 143, 175, 265, 275, 305, 325, 371, 385, 427, 455, 583, 671, 689, 715, 793, 1001, 1325, 1525, 1855, 1925, 2135, 2275, 2915, 3233, 3355, 3445, 3575, 3965, 4081, 4697, 4823, 5005, 5551, 7579, 8723, 9275, 10675, 14575, 16165, 16775, 17225, 19825, 20405, 22631, 23485, 24115, 25025, 27755, 35563, 37895, 42029, 43615, 53053, 61061, 80825, 102025, 113155, 117425, 120575, 138775, 177815, 189475, 210145, 218075, 248941, 265265, 294203, 305305, 462319, 565775, 889075, 1050725, 1244705, 1326325, 1471015, 1526525, 2311595, 3236233, 6223525, 7355075, 11557975, 16181165, 80905825]

約数ペア:

[(1, 80905825), (5, 16181165), (7, 11557975), (11, 7355075), (13, 6223525), (25, 3236233), (35, 2311595), (53, 1526525), (55, 1471015), (61, 1326325), (65, 1244705), (77, 1050725), (91, 889075), (143, 565775), (175, 462319), (265, 305305), (275, 294203), (305, 265265), (325, 248941), (371, 218075), (385, 210145), (427, 189475), (455, 177815), (583, 138775), (671, 120575), (689, 117425), (715, 113155), (793, 102025), (1001, 80825), (1325, 61061), (1525, 53053), (1855, 43615), (1925, 42029), (2135, 37895), (2275, 35563), (2915, 27755), (3233, 25025), (3355, 24115), (3445, 23485), (3575, 22631), (3965, 20405), (4081, 19825), (4697, 17225), (4823, 16775), (5005, 16165), (5551, 14575), (7579, 10675), (8723, 9275)]